Home / 16,981.08-25,472.79-7,110.42

Finding the Fourth Proportional to 16,981.08, 25,472.79 and 7,110.42

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Solution

The fourth proportional to 16,981.08, 25,472.79 and 7,110.42 is: 10,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.08 : 25,472.79 = 7,110.42 : x
  2. Step 2: Convert to fraction form
    16,981.08/25,472.79 = 7,110.42/x
  3. Step 3: Cross multiply
    16,981.08x = 25,472.79 × 7,110.42
  4. Step 4: Simplify right side
    16,981.08x = 181,122,235.47
  5. Step 5: Solve for x
    x = 181,122,235.47/16,981.08
  6. Step 6: Final answer
    x = 10,666.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.